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Pravya 100 - 1

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

This material is brittle, Porous, has too much carbon and lesser heat conductivity. Grey, White, Malleable, Nodular and Chilled are all types of which of the following engineering materials?

a)

Steel

b)

Bronze

c)

Cast iron

d)

Aluminium alloy

2.

Remember Bucky Barnes, Captain America’s loyal friend? his Vibranium arm—a marvel of fictional engineering. In the dystopian wasteland of “Mad Max: Fury Road,” Furiosa, portrayed by Charlize Theron, navigates treacherous terrain with a mechanical arm. What is that branch of technology which helped Bucky Barnes and Furiosa?

a)

Virtual Reality

b)

Robotics

c)

Automation

d)

Prosthetics

3.

Tata Electronics in collaboration with Taiwan’s Power chip Manufacturing Corp. is planning to invest in setting up a manufacturing unit in Dholera, Gujarat and also individually establishing a unit in Morigaon Assam. CG Power, in collaboration with Japan’s Renesas Electronics Corp will be establishing a manufacturing unit in Sanand, Gujarat. Which emerging technology are these companies investing on?

a)

5G and Emerging 6G Networks

b)

Semiconductor

c)

Power grid

d)

Organic Electronics

4.

This AI system predicts a protein’s 3D structure from its amino acid sequence. The latest database release contains over 200 million entries, providing broad coverage of UniProt. Name this AI system developed by Google’s DeepMind.

a)

AlphaFold

b)

Parrot AI

c)

ImmunoScan

d)

QuBitron

5.

The team of Cube Highways, L&T and GAEPL made history by achieving a remarkable feat of laying Bituminous concrete over a distance of 100 lane kilometers in an unprecedented time of 100 hours highlighting ingenuity of India’s road infrastructure industry.  Emphasizing the commitment to sustainability and cost-effectiveness, we have implemented the use of Cold Central Plant Recycling (CCPR) technology in the project. This innovative green technology involves utilizing 90% of the milled material, which amounts to nearly 20 lakh square meters of road surface. Which expressway is attributed with this achievement.

a)

Ganga Expressway

b)

Ghaziabad – Aligarh Expressway

c)

Agra – Lucknow Expressway

d)

Mumbai – Pune Expressway

6.

Which rapid prototyping process, first developed by Charles W. Hull in 1986, uses a UV laser to cure liquid photopolymer resin layer by layer?

a)

Selective Laser Sintering

b)

Fused Deposition Modelling

c)

Stereolithography

d)

Laminated Object Manufacturing

7.

Which radiographic technique uses a photostimulable phosphor plate to capture X-ray images, which are then read by a laser scanner to create a digital image?

a)

Digital Radiography

b)

Film-Screen Radiography

c)

Magnetic Resonance Imaging

d)

Computed Radiography

8.

Which petroleum production technique involves injecting substances such as water, gas, or chemicals into a reservoir to increase the amount of crude oil that can be extracted?

a)

Primary Recovery

b)

Enhanced Oil Recovery

c)

Hydraulic Fracturing

d)

Oil Sand Mining

9.

The lotus flower is famous for its ability to emerge clean from dirty water and to repel water from its leaves. This phenomenon refers to which branch of tribology that emphasizes environment friendly practices in lubrication, friction, and wear reduction?

a)

Sustainable Mechanics

b)

Eco-Tribology

c)

Green Tribology

d)

Environmental Engineering

10.

Which technology integrates mechanical elements, sensors, actuators, and electronics on a common silicon substrate using microfabrication techniques?

a)

MEMS

b)

VLSI

c)

CMOS

d)

PLC

11.

Which solid-state joining process, invented by The Welding Institute (TWI) in 1991, uses a rotating non-consumable tool to join two facing workpieces without melting the material?

a)

Laser Beam Welding

b)

Arc Welding

c)

Friction Stir Welding

d)

Electron Beam Welding

12.

Which type of machine learning involves an agent learning to make decisions by interacting with an environment and receiving rewards or penalties?

a)

Supervised Learning

b)

Unsupervised Learning

c)

Deep Learning

d)

Reinforcement Learning

13.

Which habitable artificial satellite, Launched in 1998, Orbits Earth every ~90 minutes, Supports 6–10 astronauts and maintained through international cooperation and contributions from NASA (USA), Roscosmos (Russia), ESA (Europe), JAXA (Japan), and CSA (Canada) serves as a microgravity and space environment research laboratory?

a)

Hubble Space Telescope

b)

Chandrayaan-2

c)

International Space Station

d)

Voyager 1